18409394106

Names of 18409394106

• Cardinal: 18409394106 can be written as Eighteen billion, four hundred nine million, three hundred ninety-four thousand, one hundred six.

Scientific notation

• Scientific notation: 1.8409394106 × 10¹⁰

Factors of 18409394106

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1174

Divisors of 18409394106

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 9 18 61 122 131 183 262 366 393 549 786 977 1098 1179 1954 2358 2931 5862 7991 8793 15982 17161 17586 23973 34322 47946 51483 59597 71919 102966 119194 127987 143838 154449 178791 255974 308898 357582 383961 536373 767922 1046821 1072746 1151883 2093642 2303766 3140463 6280926 7807207 9421389 15614414 16766297 18842778 23421621 33532594 46843242 50298891 70264863 100597782 140529726 150896673 301793346 1022744117 2045488234 3068232351 6136464702 9204697053 18409394106
• Sum of all divisors σ(n): 40894555572
• Sum of proper divisors (its aliquot sum) s(n): 22485161466
• 18409394106 is an abundant number, because the sum of its proper divisors (22485161466) is greater than itself. Its abundance is 4075767360

Bases of 18409394106

• Binary: 10001001001010010010000111110111010₂
• Hexadecimal: 0x449490FBA
• Base-36: 8GGH7EI

Squares and roots of 18409394106

• 18409394106 squared (18409394106²) is 338905791350027539236
• 18409394106 cubed (18409394106³) is 6239050277768462763748902143016
• The square root of 18409394106 is 135681.2223780433
• The cube root of 18409394106 is 2640.4614525669

Scales and comparisons

• 18,409,394,106 seconds is equal to 585 years, 18 weeks, 5 days, 16 hours, 35 minutes, 6 seconds.
• To count from 1 to 18,409,394,106 would take you about one thousand, one hundred seventy years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18409394106 cubic inches would be around 220 feet tall.

Recreational maths with 18409394106

• 18409394106 backwards is 60149390481
• The number of decimal digits it has is: 11
• The sum of 18409394106's digits is 45
• More coming soon!